Return-Path: From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Florian Fainelli , "David S . Miller" , Sasha Levin Subject: [PATCH AUTOSEL 4.9 23/38] asix: Check for supported Wake-on-LAN modes Date: Tue, 16 Oct 2018 00:15:07 -0400 Message-Id: <20181016041522.135789-23-sashal@kernel.org> In-Reply-To: <20181016041522.135789-1-sashal@kernel.org> References: <20181016041522.135789-1-sashal@kernel.org> List-ID: From: Florian Fainelli [ Upstream commit c4ce446e33d7a0e978256ac6fea4c80e59d9de5f ] The driver currently silently accepts unsupported Wake-on-LAN modes (other than WAKE_PHY or WAKE_MAGIC) without reporting that to the user, which is confusing. Fixes: 2e55cc7210fe ("[PATCH] USB: usbnet (3/9) module for ASIX Ethernet adapters") Signed-off-by: Florian Fainelli Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/usb/asix_common.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index 125cff57c759..3dbb0646b024 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -575,6 +575,9 @@ int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) struct usbnet *dev = netdev_priv(net); u8 opt = 0; + if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC)) + return -EINVAL; + if (wolinfo->wolopts & WAKE_PHY) opt |= AX_MONITOR_LINK; if (wolinfo->wolopts & WAKE_MAGIC) -- 2.17.1